[PATCH] drivers/nfc: use simple i2c probe

From: Stephen Kitt
Date: Wed Oct 12 2022 - 13:57:25 EST


All these drivers have an i2c probe function which doesn't use the
"struct i2c_device_id *id" parameter, so they can trivially be
converted to the "probe_new" style of probe with a single argument.

This is part of an ongoing transition to single-argument i2c probe
functions. Old-style probe functions involve a call to i2c_match_id:
in drivers/i2c/i2c-core-base.c,

/*
* When there are no more users of probe(),
* rename probe_new to probe.
*/
if (driver->probe_new)
status = driver->probe_new(client);
else if (driver->probe)
status = driver->probe(client,
i2c_match_id(driver->id_table, client));
else
status = -EINVAL;

Drivers which don't need the second parameter can be declared using
probe_new instead, avoiding the call to i2c_match_id. Drivers which do
can still be converted to probe_new-style, calling i2c_match_id
themselves (as is done currently for of_match_id).

This change was done using the following Coccinelle script, and fixed
up for whitespace changes:

@ rule1 @
identifier fn;
identifier client, id;
@@

- static int fn(struct i2c_client *client, const struct i2c_device_id *id)
+ static int fn(struct i2c_client *client)
{
...when != id
}

@ rule2 depends on rule1 @
identifier rule1.fn;
identifier driver;
@@

struct i2c_driver driver = {
- .probe
+ .probe_new
=
(
fn
|
- &fn
+ fn
)
,
};

Signed-off-by: Stephen Kitt <steve@xxxxxxx>
---
drivers/nfc/microread/i2c.c | 5 ++---
drivers/nfc/nfcmrvl/i2c.c | 5 ++---
drivers/nfc/nxp-nci/i2c.c | 5 ++---
drivers/nfc/pn533/i2c.c | 5 ++---
drivers/nfc/pn544/i2c.c | 5 ++---
drivers/nfc/s3fwrn5/i2c.c | 5 ++---
drivers/nfc/st-nci/i2c.c | 5 ++---
drivers/nfc/st21nfca/i2c.c | 5 ++---
8 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index 5eaa18f81355..e72b358a2a12 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -231,8 +231,7 @@ static const struct nfc_phy_ops i2c_phy_ops = {
.disable = microread_i2c_disable,
};

-static int microread_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int microread_i2c_probe(struct i2c_client *client)
{
struct microread_i2c_phy *phy;
int r;
@@ -287,7 +286,7 @@ static struct i2c_driver microread_i2c_driver = {
.driver = {
.name = MICROREAD_I2C_DRIVER_NAME,
},
- .probe = microread_i2c_probe,
+ .probe_new = microread_i2c_probe,
.remove = microread_i2c_remove,
.id_table = microread_i2c_id,
};
diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c
index acef0cfd76af..424b49a71930 100644
--- a/drivers/nfc/nfcmrvl/i2c.c
+++ b/drivers/nfc/nfcmrvl/i2c.c
@@ -176,8 +176,7 @@ static int nfcmrvl_i2c_parse_dt(struct device_node *node,
return 0;
}

-static int nfcmrvl_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int nfcmrvl_i2c_probe(struct i2c_client *client)
{
const struct nfcmrvl_platform_data *pdata;
struct nfcmrvl_i2c_drv_data *drv_data;
@@ -252,7 +251,7 @@ static const struct i2c_device_id nfcmrvl_i2c_id_table[] = {
MODULE_DEVICE_TABLE(i2c, nfcmrvl_i2c_id_table);

static struct i2c_driver nfcmrvl_i2c_driver = {
- .probe = nfcmrvl_i2c_probe,
+ .probe_new = nfcmrvl_i2c_probe,
.id_table = nfcmrvl_i2c_id_table,
.remove = nfcmrvl_i2c_remove,
.driver = {
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index ec6446511984..d4c299be7949 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -263,8 +263,7 @@ static const struct acpi_gpio_mapping acpi_nxp_nci_gpios[] = {
{ }
};

-static int nxp_nci_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int nxp_nci_i2c_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct nxp_nci_i2c_phy *phy;
@@ -349,7 +348,7 @@ static struct i2c_driver nxp_nci_i2c_driver = {
.acpi_match_table = ACPI_PTR(acpi_id),
.of_match_table = of_nxp_nci_i2c_match,
},
- .probe = nxp_nci_i2c_probe,
+ .probe_new = nxp_nci_i2c_probe,
.id_table = nxp_nci_i2c_id_table,
.remove = nxp_nci_i2c_remove,
};
diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c
index ddf3db286bad..1503a98f0405 100644
--- a/drivers/nfc/pn533/i2c.c
+++ b/drivers/nfc/pn533/i2c.c
@@ -163,8 +163,7 @@ static const struct pn533_phy_ops i2c_phy_ops = {
};


-static int pn533_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int pn533_i2c_probe(struct i2c_client *client)
{
struct pn533_i2c_phy *phy;
struct pn533 *priv;
@@ -260,7 +259,7 @@ static struct i2c_driver pn533_i2c_driver = {
.name = PN533_I2C_DRIVER_NAME,
.of_match_table = of_match_ptr(of_pn533_i2c_match),
},
- .probe = pn533_i2c_probe,
+ .probe_new = pn533_i2c_probe,
.id_table = pn533_i2c_id_table,
.remove = pn533_i2c_remove,
};
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 9e754abcfa2a..8b0d910bee06 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -866,8 +866,7 @@ static const struct acpi_gpio_mapping acpi_pn544_gpios[] = {
{ },
};

-static int pn544_hci_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int pn544_hci_i2c_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct pn544_i2c_phy *phy;
@@ -954,7 +953,7 @@ static struct i2c_driver pn544_hci_i2c_driver = {
.of_match_table = of_match_ptr(of_pn544_i2c_match),
.acpi_match_table = ACPI_PTR(pn544_hci_i2c_acpi_match),
},
- .probe = pn544_hci_i2c_probe,
+ .probe_new = pn544_hci_i2c_probe,
.id_table = pn544_hci_i2c_id_table,
.remove = pn544_hci_i2c_remove,
};
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c
index f824dc7099ce..33f8b8ce9132 100644
--- a/drivers/nfc/s3fwrn5/i2c.c
+++ b/drivers/nfc/s3fwrn5/i2c.c
@@ -177,8 +177,7 @@ static int s3fwrn5_i2c_parse_dt(struct i2c_client *client)
return 0;
}

-static int s3fwrn5_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int s3fwrn5_i2c_probe(struct i2c_client *client)
{
struct s3fwrn5_i2c_phy *phy;
int ret;
@@ -271,7 +270,7 @@ static struct i2c_driver s3fwrn5_i2c_driver = {
.name = S3FWRN5_I2C_DRIVER_NAME,
.of_match_table = of_match_ptr(of_s3fwrn5_i2c_match),
},
- .probe = s3fwrn5_i2c_probe,
+ .probe_new = s3fwrn5_i2c_probe,
.remove = s3fwrn5_i2c_remove,
.id_table = s3fwrn5_i2c_id_table,
};
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index 89fa24d71bef..6b5eed8a1fbe 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -195,8 +195,7 @@ static const struct acpi_gpio_mapping acpi_st_nci_gpios[] = {
{},
};

-static int st_nci_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int st_nci_i2c_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct st_nci_i2c_phy *phy;
@@ -284,7 +283,7 @@ static struct i2c_driver st_nci_i2c_driver = {
.of_match_table = of_match_ptr(of_st_nci_i2c_match),
.acpi_match_table = ACPI_PTR(st_nci_i2c_acpi_match),
},
- .probe = st_nci_i2c_probe,
+ .probe_new = st_nci_i2c_probe,
.id_table = st_nci_i2c_id_table,
.remove = st_nci_i2c_remove,
};
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 76b55986bcf8..55f7a2391bb1 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -487,8 +487,7 @@ static const struct acpi_gpio_mapping acpi_st21nfca_gpios[] = {
{},
};

-static int st21nfca_hci_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int st21nfca_hci_i2c_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct st21nfca_i2c_phy *phy;
@@ -598,7 +597,7 @@ static struct i2c_driver st21nfca_hci_i2c_driver = {
.of_match_table = of_match_ptr(of_st21nfca_i2c_match),
.acpi_match_table = ACPI_PTR(st21nfca_hci_i2c_acpi_match),
},
- .probe = st21nfca_hci_i2c_probe,
+ .probe_new = st21nfca_hci_i2c_probe,
.id_table = st21nfca_hci_i2c_id_table,
.remove = st21nfca_hci_i2c_remove,
};

base-commit: 833477fce7a14d43ae4c07f8ddc32fa5119471a2
--
2.30.2